MTG

All artifacts have "At the beginning of your upkeep, sacrifice this artifact unless you pay {2}."

{T}, Sacrifice an artifact: Put a +1/+1 counter on target creature. Activate only during your upkeep.

Flying {R}: This creature gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice this creature at...

Destroy target permanent.

Search your library for a card, put that card into your hand, then shuffle.

{B}{B}: Counter target green spell.

Enchant land At the beginning of the upkeep of enchanted land's controller, this Aura deals 1 damage to that player.

Whenever a player casts a blue spell, you may pay {1}. If you do, you gain 1 life.

Destroy target artifact. It can't be regenerated. That artifact's controller gains life equal to its mana value.

Counter target spell.

At the beginning of your upkeep, sacrifice this enchantment unless you pay {W}{W}. All Mountains are Plains.

Enchant creature You control enchanted creature.

{3}, {T}: Prevent the next 2 damage that would be dealt to you this turn.

You may have this creature enter as a copy of any creature on the battlefield.

Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add {C}.

{2}, {T}: Add one mana of any color.

Untapped creatures you control get +0/+2.

Enchant creature Enchanted creature has mountainwalk. (It can't be blocked as long as defending player controls a Mountain.)

This creature doesn't untap during your untap step. At the beginning of your upkeep, you may pay {1}. If you do, untap this creature.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Enchant creature Enchanted creature has protection from blue. This effect doesn't remove this Aura.

Enchant creature Enchanted creature has protection from black. This effect doesn't remove this Aura.

As this artifact enters, choose an opponent. At the beginning of the chosen player's upkeep, this artifact deals X damage to that player, where X i...